This is a list of all unit classnames.

KPA.
"O_rhsfactionNK_T72S",
"O_rhsfactionNK_Rifleman",
"O_rhsfactionNK_Bulsae_3",
"O_rhsfactionNK_Grenadier",
"O_rhsfactionNK_Rifleman_Backpack",
"O_rhsfactionNK_Asst_Machinegunner",
"O_rhsfactionNK_Rifleman_RPG",
"O_rhsfactionNK_NSV_6T7",
"O_rhsfactionNK_AA_Specialist",
"O_rhsfactionNK_Engineer",
"O_rhsfactionNK_Machinegunner",
"O_rhsfactionNK_Automatic_Rifleman",
"O_rhsfactionNK_Medic",
"O_rhsfactionNK_Squad_Leader",
"O_rhsfactionNK_Officer",
"O_rhsfactionNK_SpotteR",
"O_rhsfactionNK_Sniper",
"O_rhsfactionNK_Sniper_Night",
"O_rhsfactionNK_Soldier_AKS_74_Night",
"O_rhsfactionNK_Crewman",
"O_rhsfactionNK_Asst_AT_Rifleman_RPG",
"O_rhsfactionNK_Heli_Pilot",
"O_rhsfactionNK_Transport_Pilot",
"O_rhsfactionNK_Pilot",
"O_rhsfactionNK_Rifleman_AKS",
"O_rhsfactionNK_Mi_25",
"O_rhsfactionNK_ZSU_23_4V",
"O_rhsfactionNK_Ural_ZU_23",
"O_rhsfactionNK_BM_21",
"O_rhsfactionNK_UAZ",
"O_rhsfactionNK_UAZ_Open",
"O_rhsfactionNK_UAZ_DShKM",
"O_rhsfactionNK_UAZ_AGS_30",
"O_rhsfactionNK_BMP1",
"O_rhsfactionNK_UAZ_SPG",
"O_rhsfactionNK_Ural",
"O_rhsfactionNK_Ural_Open",
"O_rhsfactionNK_2A18M_D30A",
"O_rhsfactionNK_2A18M_D30A_AT",
"O_rhsfactionNK_Ural_Refuel",
"O_rhsfactionNK_Ural_Empty",
"O_rhsfactionNK_Mi_8MT",
"O_rhsfactionNK_Mi_8MTV3",
"O_rhsfactionNK_Mi_8MT_Cargo",
"O_rhsfactionNK_Antonov_An_2",
"O_rhsfactionNK_SU_25K_Frogfoot",
"O_rhsfactionNK_ZU_23",
"O_rhsfactionNK_BRDM_2",
"O_rhsfactionNK_BRDM2UM_Armed",
"O_rhsfactionNK_SPG_9",
"O_rhsfactionNK_BTR_80A",
"O_rhsfactionNK_BRDM_2ATGM",
"O_rhsfactionNK_BTR_60PB",
"O_rhsfactionNK_AGS_30",
"O_rhsfactionNK_DShKM_Minitripod",
"O_rhsfactionNK_DShKM",
"O_rhsfactionNK_GAZ_66_Ammo",
"O_rhsfactionNK_GAZ_66_Repair",
"O_rhsfactionNK_9K115_2Metis",
"O_rhsfactionNK_9K38_Djigit",
"O_rhsfactionNK_Special_Team_Leader",
"O_rhsfactionNK_Special_Medic",
"O_rhsfactionNK_Special_Soldier",
"O_rhsfactionNK_Special_Soldier_RPG",
"O_rhsfactionNK_Special_Machinegunner",
"O_rhsfactionNK_Pchela_1T",
"O_rhsfactionNK_Mi_8MTV_3Heavy",
"O_rhsfactionNK_Mig_29SE",
"O_rhsfactionNK_BRDM_2UM",
"O_rhsfactionNK_Ural_4320_Flatbed",
"O_rhsfactionNK_Ural_4320_Repair",
"O_rhsfactionNK_GAZ_66",
"O_rhsfactionNK_GAZ_66_Flatbed",
"O_rhsfactionNK_GAZ_66_Open",
"O_rhsfactionNK_GAZ_66_Open_Flatbed",
"O_rhsfactionNK_GAZ_66_R142N",
"O_rhsfactionNK_GAZ_66_ESB_8IM",
"O_rhsfactionNK_GAZ_66_AP_2",
"O_rhsfactionNK_GAZ_66_ZU_23",
"O_rhsfactionNK_2B14_1Podnos_01",
"O_rhsfactionNK_Zil_131_01",
"O_rhsfactionNK_Zil_131_Open_01",
"O_rhsfactionNK_Zil_131_Open_Flatbed_01",
"O_rhsfactionNK_Zil_131_Flatbed_01"

WPRG.

"O_rhsfactionWPRG_GAZ_66_ZU_23",
"O_rhsfactionWPRG_GAZ_66_AP_2",
"O_rhsfactionWPRG_Rifleman",
"O_rhsfactionWPRG_Grenadier",
"O_rhsfactionWPRG_Rifleman_Backpack_01",
"O_rhsfactionWPRG_AA_Specialist",
"O_rhsfactionWPRG_NSV_6T7",
"O_rhsfactionWPRG_Asst_Machinegunner_01",
"O_rhsfactionWPRG_Rifleman_RPG",
"O_rhsfactionWPRG_Engineer",
"O_rhsfactionWPRG_Machinegunner",
"O_rhsfactionWPRG_Automatic_Rifleman",
"O_rhsfactionWPRG_Medic",
"O_rhsfactionWPRG_Squad_Leader",
"O_rhsfactionWPRG_Officer",
"O_rhsfactionWPRG_Asst_AT_Rifleman_RPG",
"O_rhsfactionWPRG_Crewman",
"O_rhsfactionWPRG_Ural_4320_ZU_23",
"O_rhsfactionWPRG_BM_21",
"O_rhsfactionWPRG_UAZ_3151",
"O_rhsfactionWPRG_UAZ_3151_Open",
"O_rhsfactionWPRG_UAZ_3151_DShKM",
"O_rhsfactionWPRG_UAZ_3151_AGS_30",
"O_rhsfactionWPRG_UAZ_3151_SPG",
"O_rhsfactionWPRG_Ural_4320",
"O_rhsfactionWPRG_2A18M_D30A",
"O_rhsfactionWPRG_2A18M_D30A_AT",
"O_rhsfactionWPRG_Ural_4320_Open",
"O_rhsfactionWPRG_Ural_4320_Fuel",
"O_rhsfactionWPRG_ZU_23",
"O_rhsfactionWPRG_SPG_9",
"O_rhsfactionWPRG_Ural_4320_Open_Flatbed",
"O_rhsfactionWPRG_AGS_30",
"O_rhsfactionWPRG_DShKM_Minitripod",
"O_rhsfactionWPRG_DShKM",
"O_rhsfactionWPRG_9K38_Djigit",
"O_rhsfactionWPRG_9K115_2Metis",
"O_rhsfactionWPRG_GAZ_66_Ammo",
"O_rhsfactionWPRG_GAZ_66_Repair",
"O_rhsfactionWPRG_Ural_4320_Flatbed",
"O_rhsfactionWPRG_Ural_4320_Repair",
"O_rhsfactionWPRG_GAZ_66",
"O_rhsfactionWPRG_GAZ_66_Flatbed",
"O_rhsfactionWPRG_GAZ_66_R142N",
"O_rhsfactionWPRG_GAZ_66_Open",
"O_rhsfactionWPRG_GAZ_66_Open_Flatbed",
"O_rhsfactionWPRG_GAZ_66_ESB_8IM",
"O_rhsfactionWPRG_2B14_1Podnos_01",
"O_rhsfactionWPRG_Zil_131_01",
"O_rhsfactionWPRG_Zil_131_Open_01",
"O_rhsfactionWPRG_Zil_131_Open_Flatbed_01",
"O_rhsfactionWPRG_Zil_131_Flatbed_01"